1 definition found islamorada - U.S. Gazetteer (1990) : Islamorada, FL (CDP, FIPS 34125) Location: 24.91826 N, 80.63571 W Population (1990): 1220 (966 housing units) Area: 3.8 sq km (land), 0.0 sq km (water) Zip code(s): 33036